DFI OT905-B Owner's manual

DFI
Brand
DFI
Model
OT905-B
Category
Motherboards
Type
Owner's manual

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www.dfi .comChapter 1 Introduction
1
OT905-B Series
COM Express Compact Module
User’s Manual
A22310242
www.dfi .comChapter 1 Introduction
2
Copyright
This publication contains information that is protected by copyright. No part of it may be re-
produced in any form or by any means or used to make any transformation/adaptation without
the prior written permission from the copyright holders.
This publication is provided for informational purposes only. The manufacturer makes no
representations or warranties with respect to the contents or use of this manual and specifi-
cally disclaims any express or implied warranties of merchantability or fitness for any particular
purpose. The user will assume the entire risk of the use or the results of the use of this docu-
ment. Further, the manufacturer reserves the right to revise this publication and make changes
to its contents at any time, without obligation to notify any person or entity of such revisions
or changes.
© 2012. All Rights Reserved.
Trademarks
Product names or trademarks appearing in this manual are for identification purpose only and
are the properties of the respective owners.
COM Express Specification Reference
PICMG
®
COM Express Module
TM
Base Specification.
http://www.picmg.org/
FCC and DOC Statement on Class B
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reason-
able protection against harmful interference when the equipment is operated in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is encour-
aged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
• Consult the dealer or an experienced radio TV technician for help.
Notice:
1. The changes or modifications not expressly approved by the party responsible for compli-
ance could void the user’s authority to operate the equipment.
2. Shielded interface cables must be used in order to comply with the emission limits.
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Table of Contents
Copyright .............................................................................................................2
Trademarks ........................................................................................................2
FCC and DOC Statement on Class B .....................................................2
About this Manual ..........................................................................................4
Warranty ............................................................................................................4
Static Electricity Precautions ......................................................................4
Safety Measures ..............................................................................................4
About the Package .........................................................................................5
Chapter 1 - Introduction .............................................................................6
Specifications ................................................................................................6
Features ........................................................................................................7
Chapter 2 - Concept ....................................................................... 8
COM Express Module Standards ..............................................................8
Specification Comparision Table ..............................................................9
Chapter 3 - Hardware Installation .............................................. 10
Board Layout ...............................................................................................10
Block Diagram .............................................................................................10
Mechanical Diagram .................................................................................. 11
System Memory ..........................................................................................12
Installing the DIM Module ...........................................................................13
Connectors ...................................................................................................14
CPU Fan Connector .....................................................................................14
COM Express Connectors ............................................................................14
COM Express connector Signal Discription ....................................................16
Cooling Option ............................................................................................ 28
Installing OT905-B onto a Carrier Board ............................................29
Chapter 4 - BIOS Setup ............................................................... 31
Overview ..................................................................................................... 31
AMI BIOS Setup Utility .............................................................................32
Main ..........................................................................................................32
Advanced ................................................................................................... 32
Chipset ......................................................................................................37
Boot...........................................................................................................41
Security ......................................................................................................42
Save & Exit ...............................................................................................43
Updating the BIOS ....................................................................................... 44
Chapter 5 - Supported Software ..........................................................45
Appendix A - nLite and AHCI Installation Guide ........................... 52
nLite ...............................................................................................................52
AHCI ..............................................................................................................56
Appendix B - Watchdog Sample Code ................................................65
Appendix C - System Error Message ...................................................59
Appendix D - Troubleshooting ................................................................ 60
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About this Manual
An electronic file of this manual is included in the CD. To view the user’s manual in the CD,
insert the CD into a CD-ROM drive. The autorun screen (Main Board Utility CD) will appear.
Click “User’s Manual” on the main menu.
Warranty
1. Warranty does not cover damages or failures that arised from misuse of the product,
inability to use the product, unauthorized replacement or alteration of components and
product specifications.
2. The warranty is void if the product has been subjected to physical abuse, improper instal-
lation, modification, accidents or unauthorized repair of the product.
3. Unless otherwise instructed in this user’s manual, the user may not, under any circum-
stances, attempt to perform service, adjustments or repairs on the product, whether in or
out of warranty. It must be returned to the purchase point, factory or authorized service
agency for all such work.
4. We will not be liable for any indirect, special, incidental or consequencial damages to the
product that has been modified or altered.
Static Electricity Precautions
It is quite easy to inadvertently damage your PC, system board, components or devices even
before installing them in your system unit. Static electrical discharge can damage computer
components without causing any signs of physical damage. You must take extra care in han-
dling them to ensure against electrostatic build-up.
1. To prevent electrostatic build-up, leave the system board in its anti-static bag until you are
ready to install it.
2. Wear an antistatic wrist strap.
3. Do all preparation work on a static-free surface.
4. Hold the device only by its edges. Be careful not to touch any of the components, contacts
or connections.
5. Avoid touching the pins or contacts on all modules and connectors. Hold modules or con-
nectors by their ends.
Important:
Electrostatic discharge (ESD) can damage your processor, disk drive and other com-
ponents. Perform the upgrade instruction procedures described at an ESD workstation
only. If such a station is not available, you can provide some ESD protection by wear-
ing an antistatic wrist strap and attaching it to a metal part of the system chassis. If
a wrist strap is unavailable, establish and maintain contact with the system chassis
throughout any procedures requiring ESD protection.
Safety Measures
To avoid damage to the system:
• Use the correct AC input voltage range.
To reduce the risk of electric shock:
• Unplug the power cord before removing the system chassis cover for installation or servic-
ing. After installation or servicing, cover the system chassis before plugging the power
cord.
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About the Package
The package contains the following items. If any of these items are missing or damaged,
please contact your dealer or sales representative for assistance.
• One OT905-B series board
• One heat sink kit
• One DVD
• One QR (Quick Reference)
Optional Items
• COM330-B carrier board
• Cable kit for carrier board
The board and accessories in the package may not come similar to the information listed
above. This may differ in accordance with the sales region or models in which it was sold. For
more information about the standard package in your region, please contact your dealer or
sales representative.
Before Using the System Board
Before using the system board, prepare basic system components.
If you are installing the system board in a new system, you will need at least the following
internal components.
• A CPU
• Memory module
• Storage devices such as hard disk drive, CD-ROM, etc.
You will also need external system peripherals you intend to use which will normally include at
least a keyboard, a mouse and a video display monitor.
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6
Watchdog
Timer
• Watchdog timeout programmable via software from 1 to 256 seconds
Expansion
Interface
• Supports 8 USB 2.0 ports
• Supports 6 PCIe x1 interfaces
• Supports 4 PCI interfaces
• Supports 8-bit Digital I/O
• Supports 1 IDE interface
• Supports LPC interface
• Supports SMBus interface
Damage Free
Intelligence
• Monitors CPU temperature and overheat alarm
• Monitors CPU fan speed and failure alarm
• Monitors Vcore/Vnb/1.5V voltages and failure alarm
• Watchdog timer function
BIOS
• 32Mbit SPI BIOS
Power
Consumption
• 17.21 W with T40N at 1.0GHz and 1x 2GHz DDR3 SODIMM
Temperature
• Operating: 0
o
C to 60
o
C
• Storage: -20
o
C to 85
o
C
Humidity
• 10% to 90%
Power
• 12V, 5VSB, VCC_RTC (ATX mode)
12V, VCC_RTC (AT mode)
Regulatory
• Dimensions
- COM Express Compact
- 95mm (3.74") x 95mm (3.74")
• Compliance
- PICMG COM Express R2.0, Type 2
PCB
• CE
• FCC Class B
• Rohs
Chapter 1 - Introduction
Specifications
Processor
• OT905-BT56N:
- AMD
®
T56N, 1.65GHz, 2x 512KB L2, 18W TDP, dual-core
- Cooling option: heat sink with cooling fan
• OT905-BT40N:
- AMD
®
T40N, 1.0GHz, 2x 512KB L2, 9W TDP, dual-core
- Cooling option: heat sink with cooling fan
Chipset
• AMD
®
A55E Controller Hub
System Memory
• One 204-pin DDR3 SODIMM socket
• Supports DDR3 1066/1333MHz (OT905-BT56N)
Supports DDR3 1066MHz (OT905-BT40N)
• Supports single channel memory interface
• Supports up to 8GB system memory
• DRAM device technologies: 1Gb, 2Gb and 4Gb DDR3 DRAM
technologies are supported for x8 and x16 devices,
unbuffered, non-ECC
Graphics
• Advanced discrete-level GPU integrated in the processor
- AMD Radeon
TM
HD 6320 (OT905-BT56N)
- AMD Radeon
TM
HD 6290 (OT905-BT40N)
• Supports LVDS and VGA interfaces
• Supports DirectX 11, OpenGL 3.2 and OpenCL 1.1
• Supports AMD Turbo Core 2.0 technology
• LVDS: Chrontel CH7511B, 24-bit dual channel
• VGA display resolution
- Up to 2048x1536 (OT905-BT56N)
- Up to 1920x1200 (OT905-BT40N)
• Supports Hardware H.264, MPEG4 Part 2, VC-1, and MPEG2 decode
Audio
• Supports High Defi nition Audio interface
LAN
• Intel
®
82574L Gigabit Ethernet Controller
• Integrated 10/100/1000 transceiver
• Fully compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Serial ATA
• Supports 4 Serial ATA interfaces
• SATA 3.0 with data transfer rate up to 6Gb/s
• Integrated Advanced Host Controller Interface (AHCI) controller
• Supports RAID 0/1/5/10 (not support UEFI Raid Mode)
IDE Interface
• JMicron JMB368 PCI Express to PATA host controller
• DMA mode: Ultra ATA up to 100MB/s
• PIO mode: up to 16MB/s
Trusted
Platform
Module (TPM) -
optional
• Provides a Trusted PC for secure transactions
• Provides software license protection, enforcement and password
protection
Chapter 1
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7
Features
• Watchdog Timer
The Watchdog Timer function allows your application to regularly “clear” the system at the set
time interval. If the system hangs or fails to function, it will reset at the set time interval so
that your system will continue to operate.
• DDR3
DDR3 delivers increased system bandwidth and improved performance. The advantages of
DDR3 are its higher bandwidth and its increase in performance at a lower power than DDR2.
• Graphics
The integrated AMD Radeon
TM
graphics engine delivers an excellent blend of graphics per-
formance and features to meet business needs. It provides excellent video and 3D graphics
with outstanding graphics responsiveness. These enhancements deliver the performance and
compatibility needed for today’s and tomorrow’s business applications. Supports LVDS, VGA for
up to 3 independent displays.
• Serial ATA
Serial ATA is a storage interface that is compliant with SATA 1.0a specification. With speed of
up to 3Gb/s (SATA 2.0) and 6Gb/s (SATA 3.0), it improves hard drive performance faster than
the standard parallel ATA whose data transfer rate is 100MB/s. The bandwidth of the SATA 3.0
will be limited by carrier board design.
• Gigabit LAN
The Intel 82574L Gigabit LAN controller supports up to 1Gbps data transmission.
• USB
The system board supports USB 2.0 and USB 1.1 ports. USB 1.1 supports 12Mb/second band-
width while USB 2.0 supports 480Mb/second bandwidth providing a marked improvement in
device transfer speeds between your computer and a wide range of simultaneously accessible
external Plug and Play peripherals.
Chapter 1
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8
Chapter 2
Chapter 2 - Concept
COM Express Module Standards
The figure below shows the dimensions of the different types of COM Express modules.
OT905-B is a COM Express Compact module. The dimension is 95mm x 95mm.
106.00
91.00
70.00
51.00
4.00
18.00
6.00
0.00
16.50
4.00
0.00
Extended
BasicCompact
Mini
74.20
80.00
91.00
121.00
151.00
Common for all Form Factors
Extended only
Basic only
Compact only
Compact and Basic only
Mini only
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Chapter 2
Specification Comparison Table
• 5 Indicates 12V-tolerant features on former VCC_12V signals.
• 6 Cells in the connected columns spanning rows provide a rough approximation of features
sharing connector pins.
The table below shows the COM Express standard specifications and the corresponding specifications supported on the OT905-B module.
Connector Feature
COM Express Module Base
Specification Type 2
(IDE + PCI)
Min
/
Max
DFI OT905-B
Type 2
A-B
A-B PCI Express Lanes 0 - 5 1 / 6 4
A-B LVDS Channel A 0 / 1 1
A-B LVDS Channel B 0 / 1 1
A-B eDP on LVDS CH A pins NA NA
A-B VGA Port 0 / 1 1
A-B TV-Out NA NA
A-B DDI 0 NA NA
A-B
5
Serial Ports 1 - 2 NA NA
A-B CAN interface on SER1 NA NA
A-B SATA / SAS Ports 1 / 4 4
A-B AC’97 / HDA Digital Interface 0 / 1 1
A-B USB 2.0 Ports 4 / 8 8
A-B USB Client 0 / 1 0
A-B USB 3.0 Ports NA NA
A-B LAN Port 0 1 / 1 1
A-B Express Card Support 1 / 2 1
A-B LPC Bus 1 / 1 1
A-B SPI 1 / 2 1
A-B
SDIO (muxed on GPIO) NA NA
General Purpose I/O 8 / 8 8
A-B SMBus 1 / 1 1
A-B I2C 1 / 1 1
A-B Watchdog Timer 0 / 1 1
A-B Speaker Out 1 / 1 1
A-B External BIOS ROM Support 0 / 2 1
A-B Reset Functions 1 / 1 1
System I/O
System Management
A-B
6
Connector Feature
Type 2 (IDE + PCI)
Min / Max
DFI OT905-B
Type 2
A-B
A-B Thermal Protection 0 / 1
1
A-B Battery Low Alarm 0 / 1
1
A-B Suspend/Wake Signals 0 / 3
3
A-B Power Button Support 1 / 1
1
A-B Power Good 1 / 1
1
A-B VCC_5V_SBY Contacts 4 / 4
4
A-B
5
Sleep Input NA NA
A-B
5
Lid Input NA NA
A-B
5
Fan Control Signals NA NA
A-B Trusted Platform Modules NA NA
A-B
A-B VCC_12V Contacts 12 / 12
Power
Power Management
Module Pin-out - Required and Optional Features C-D Connector. PICMG
®
COM.0Revision 2.1
Connector Feature
Type 2 (IDE + PCI)
Min / Max
DFI OT905-B
Type 2
C-D
PCI Express Lanes 16 - 31 0 / 16
0
PCI Express Graphics (PEG) 0 / 1
0
Muxed SDVO Channels 1 - 2 0 / 2
0
PCI Express Lanes 6 - 15 NA NA
PCI Bus - 32 Bit 1 / 1
1
PATA Port 1 / 1
1
LAN Ports 1 - 2 NA NA
DDIs 1 - 3 NA NA
USB 3.0 Ports NA NA
C-D
C-D VCC_12V Contacts 12 / 12
12
System I/O
C-D
6
C-D
6
Power
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10
Chapter 3
Chapter 3 - Hardware Installation
Board Layout
Top View
Bottom View
AMD A55E
Chrontel
CH7511B
Intel
WG82574L
(SW1)
1
ON
4
5
DDR3 SODIMM
AMD
T56N/T40N
1
Power on select (JP1)
CPU Fan
1
SPI Flash BIOS
Block Diagram
COM Express connector
A1
A110
COM Express connector
C1C110
B1B110
D1D110
JMB368
iTE
IT8518E
Intel
®
82574L
TPM
(option)
LVDS
Max 8GB
DDI Port1
SPI Flash
JMB368
AMD
®
T40N
Processor
CORE CORE
Graphics
CORE
Memory
Controller
UMI x4 AMD TSI
CH7511B
AMD
®
A55E
Express Chipset
EC
ITE8518E
A / B
C / D
M8GB
DDR3
SODIMM
AMD
®
T56N
VGA
APU-PCIe Port 0-3
VGA
APU-PCIe
Port
0-3
FCH-PCIe Port 0-1
FCH-PCIe
Port
0-1
FCH-PCIe
Port 2
GLAN
HDA
HDA
SATA 2.0 4x
SATA
2
.
0
4x
USB 2.0 8x
USB
2
.
0
8x
WTD
EC_GPIO
LPC Bus
SPI
SPI
PCI
FCH-PCIe Port 3
IDE
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11
Chapter 3
Mechanical Diagram
OT905-B Module with Heat Sink
Side View of the Module with Heat Sink and Carrier Board
OT905-B Module
Carrier Board
Standoff
Module PCB
Cooler
2.00
33.40
35.40
Module PCB The height
of the highest parts
3.50
1.60
5.0 or 8.0 mm
23.40
4.00
87.00
95.00
4.00
76.00
83.50
4.00
87.00
95.00
33.40
Ø2.70(*4 pcs)
Bottom View
Top View
0.00
0.00
4.00
4.00
76.00
91.00
4.00
0.00
87.00
87.00
91.00
91.00
4.00
91.00
0.00
87.00
0.00
0.00
2.00
14.00
12.50
70.20
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12
Chapter 3
Important:
When the Standby Power LED lit red, it indicates that there is power on the board.
Power-off the PC then unplug the power cord prior to installing any devices. Failure to
do so will cause severe damage to the board and components.
System Memory
Important:
Electrostatic discharge (ESD) can damage your board, processor, disk drives, add-in
boards, and other components. Perform installation procedures at an ESD workstation
only. If such a station is not available, you can provide some ESD protection by wear-
ing an antistatic wrist strap and attaching it to a metal part of the system chassis. If
a wrist strap is unavailable, establish and maintain contact with the system chassis
throughout any procedures requiring ESD protection.
The system board is equipped with one 204-pin SODIMM sockets that support DDR3 memory
modules.
DDR3
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13
Chapter 3
Installing the DIM Module
Note:
The system board used in the following illustrations may not resemble the actual one.
These illustrations are for reference only.
1. Make sure the PC and all other peripheral devices connected to it has been powered down.
2. Disconnect all power cords and cables.
3. Locate the SODIMM socket on the system board.
4. Note the key on the socket. The key ensures the module can be plugged into the socket in
only one direction.
6. Push down the module until the clips at each end of the socket lock into position. You will
hear a distinctive “click”, indicating the module is correctly locked into position.
Clip
5. Grasping the module by its edges, align the module into the socket at an approximately 30
degrees angle. Apply firm even pressure to each end of the module until it slips down into
the socket. The contact fingers on the edge of the module will almost completely disappear
inside the socket.
Clip
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14
Chapter 3
Connectors
CPU Fan Connector
Connect the CPU fan’s cable connector to the CPU fan connector on the board. The cooling fan
will provide adequate airflow throughout the chassis to prevent overheating the CPU and board
components.
BIOS Setting
“Module Board H/W Monitor” submenu in the Advanced menu of the BIOS will display the cur-
rent speed of the cooling fan. Refer to chapter 3 of the manual for more information
.
3
1
Sense
Power
Ground
COM Express Connectors
The COM Express connectors are used to interface the CD905-B COM Express board to a car-
rier board. Connect the COM Express connectors (lcoated on the solder side of the board) to
the COM Express connectors on the carrier board.
Refer to the “Installing CD905-B onto a Carrier Board” section for more information.
COM Express Connectors
Refer to the following pages for the pin functions of these connectors.
www.dfi .comChapter 3 Hardware Installation
15
Chapter 3
COM Express Connectors
1 GND
(
FIXED
)
B1 GND
(
FIXED
)
A
56 PCIE_TX4- B56
PCIE_RX4
-
C1 GND
(
FIXED
)
D1 GND
(
FIXED
)
C56 NC D56 NC
2 GBE0_MDI3- B2 GBE0_ACT#
A
57 GND B57 GPO2 C2 IDE_D7 D2 IDE_D5 C57 NC D57 TYPE2#
3 GBE0_MDI3+ B3 LPC_FRAME#
A
58 PCIE_TX3+ B58 PCIE_RX3+ C3 IDE_D
6
D3 IDE_D1
0
C58 NC D58 NC
4 GBE0_LINK100# B4 LPC_AD0
A
59 PCIE_TX3- B59 PCIE_RX3- C4 IDE_D3 D4 IDE_D11 C59 NC D59 NC
5 GBE0_LINK1000# B5 LPC_AD1
A
60 GND
(
FIXED
)
B60 GND
(
FIXED
)
C5 IDE_D15 D5 IDE_D12 C60 GND
(
FIXED
)
D60 GND
(
FIXED
)
6 GBE0_MDI2- B6 LPC_AD2
A
61 PCIE_TX2+ B61 PCIE_RX2+ C6 IDE_D8 D6 IDE_D
4
C61 NC D61 NC
7 GBE0_MDI2+ B7 LPC_AD3
A
62 PCIE_TX2- B62 PCIE_RX2- C7 IDE_D9 D7 IDE_D0 C62 NC D62 NC
8 GBE0_LINK# B8 LPC_DR
Q
0#
A
63 GPI1 B63 GPO3 C8 IDE_D2 D8 IDE_RE
Q
C63 NC D63 NC
9 GBE0_MDI1- B9 LPC_DR
Q
1#
A
64 PCIE_TX1+ B64 PCIE_RX1+ C9 IDE_D13 D9 IDE_IOW# C64 NC D64 NC
A
10 GBE0_MDI1+ B10 LPC_CLK
A
65 PCIE_TX1- B65 PCIE_RX1- C10 IDE_D1 D10 IDE_ACK# C65 NC D65 NC
A
11 GND
(
FIXED
)
B11 GND
(
FIXED
)
A
66 GND B66 WAKE0# C11 GND
(
FIXED
)
D11 GND
(
FIXED
)
C66 NC D66 NC
A
12 GBE0_MDI0- B12 PWRBTN#
A
67 GPI2 B67 WAKE1# C12 IDE_D1
4
D12 IDE_IR
Q
C67 NC D67 GND
A
13 GBE0_MDI0+ B13 SMB_CK
A
68 PCIE_TX0+ B68 PCIE_RX0+ C13 IDE_IORD
Y
D13 IDE_A0 C68 NC D68 NC
A
14 GBE0_CTRE
F
B14 SMB_DAT
A
69 PCIE_TX0- B69 PCIE_RX0- C14 IDE_IOR# D14 IDE_A1 C69 NC D69 NC
A
15 SUS_S3# B15 SMB_ALERT#
A
70 GND
(
FIXED
)
B70 GND
(
FIXED
)
C15 PCI_PME# D15 IDE_A2 C70 GND
(
FIXED
)
D70 GND
(
FIXED
)
A
16 SATA0_TX+ B16 SATA1_TX+
A
71 LVDS_A0+ B71 LVDS_B0+ C16 PCI_GNT2# D16 IDE_CS1# C71 NC D71 NC
A
17 SATA0_TX- B17 SATA1_TX-
A
72 LVDS_A0- B72 LVDS_B0- C17 PCI_RE
Q
2# D17 IDE_CS3# C72 NC D72 NC
A
18
N
C
B18 SUS_STAT#
A
73 LVDS_A1+ B73 LVDS_B1+ C18 PCI_GNT1# D18 IDE_RESET# C73 NC D73 NC
A
19 SATA0_RX+ B19 SATA1_RX+
A
74 LVDS_A1- B74 LVDS_B1- C19 PCI_RE
Q
1# D19 PCI_GNT3# C74 NC D74 NC
A
20 SATA0_RX- B20 SATA1_RX-
A
75 LVDS_A2+ B75 LVDS_B2+ C20 PCI_GNT0# D20 PCI_RE
Q
3# C75 NC D75 NC
A
21 GND
(
FIXED
)
B21 GND
(
FIXED
)
A
76 LVDS_A2- B76 LVDS_B2- C21 GND
(
FIXED
)
D21 GND
(
FIXED
)
C76 GND D76 GND
A
22
SATA2_TX
+
B22
SATA3_TX
+
A
77 LVDS_VDD_EN B77 LVDS_B3+ C22 PCI_RE
Q
0# D22 PCI_AD1 C77 NC D77 IDE_CBLID#
A
23
SATA2_TX
-
B23
SATA3_TX
-
A
78 LVDS_A3+ B78 LVDS_B3- C23 PCI_RESET# D23 PCI_AD3 C78 NC D78 NC
A
24 SUS_S5# B24 PWR_OK
A
79 LVDS_A3- B79 LVDS_BKLT_EN C24 PCI_AD0 D24 PCI_AD5 C79 NC D79 NC
A
25
SATA2_RX
+
B25
SATA3_RX
+
A
80 GND
(
FIXED
)
B80 GND
(
FIXED
)
C25 PCI_AD2 D25 PCI_AD7 C80 GND
(
FIXED
)
D80 GND
(
FIXED
)
A
26
SATA2_RX
-
B26
SATA3_RX
-
A
81 LVDS_A_CK+ B81 LVDS_B_CK+ C26 PCI_AD
4
D26 PCI_C
/
BE0# C81 NC D81 NC
A
27 BATLOW# B27 WDT
A
82 LVDS_A_CK- B82 LVDS_B_CK- C27 PCI_AD6 D27 PCI_AD9 C82 NC D82 NC
A
28
A
TA_ACT# B28
A
C_SDIN2
A
83 LVDS_I2C_C
K
B83 LVDS_BKLT_CTR
L
C28 PCI_AD8 D28 PCI_AD11 C83 NC D83 NC
A
29
A
C_SYNC B29
A
C_SDIN1
A
84 LVDS_I2C_DA
T
B84
V
CC_5V_SB
Y
C29 PCI_AD10 D29 PCI_AD13 C84 GND D84 GND
A
30
A
C_RST# B30
A
C_SDIN0
A
85 GPI3 B85
V
CC_5V_SB
Y
C30 PCI_AD12 D30 PCI_AD15 C85 NC D85 NC
A
31 GND
(
FIXED
)
B31 GND
(
FIXED
)
A
86 KBD_RST# B86
V
CC_5V_SB
Y
C31 GND
(
FIXED
)
D31 GND
(
FIXED
)
C86 NC D86 NC
A
32
A
C_BITCL
K
B32 SPKR
A
87 KBD_A20GATE B87
V
CC_5V_SB
Y
C32 PCI_AD1
4
D32 PCI_PA
R
C87 GND D87 GND
A
33
A
C_SDOUT B33 I2C_C
K
A
88 PCIE0_CK_REF+ B88 BIOS_DIS1# C33 PCI_C
/
BE1# D33 PCI_SERR# C88 NC D88 NC
A
34 BIOS_DISABLE# B34 I2C_DA
T
A
89 PCIE0_CK_REF- B89
V
GA_RED C34 PCI_PERR# D34 PCI_STOP# C89 NC D89 NC
A
35 THRMTRIP# B35 THRM#
A
90 GND
(
FIXED
)
B90 GND
(
FIXED
)
C35 PCI_LOCK# D35 PCI_TRDY# C90 GND
(
FIXED
)
D90 GND
(
FIXED
)
A
36 USB6- B36 USB7-
A
91 SPI_POWE
R
B91
V
GA_GRN C36 PCI_DEVSEL# D36 PCI_FRAME# C91 NC D91 NC
A
37 USB6+ B37 USB7+
A
92 SPI_MISO B92
V
GA_BLU C37 PCI_IRDY# D37 PCI_AD1
6
C92 NC D92 NC
A
38 USB_6_7_OC# B38 USB_4_5_OC#
A
93 GPO0 B93
V
GA_HSYNC C38 PCI_C
/
BE2# D38 PCI_AD1
8
C93 GND D93 GND
A
39 USB4- B39 USB5-
A
94 SPI_CLK B94
V
GA_VSYNC C39 PCI_AD1
7
D39 PCI_AD20 C94 NC D94 NC
A
40 USB4+ B40 USB5+
A
95 SPI_MOSI B95
V
GA_I2C_C
K
C40 PCI_AD19 D40 PCI_AD22 C95 NC D95 NC
A
41 GND
(
FIXED
)
B41 GND
(
FIXED
)
A
96 GND B96
V
GA_I2C_DA
T
C41 GND
(
FIXED
)
D41 GND
(
FIXED
)
C96 GND D96 GND
A
42 USB2- B42 USB3-
A
97 SPI_CS# B97 SPI_CS# C42 PCI_AD21 D42 PCI_AD2
4
C97 NC D97 NC
A
43 USB2+ B43 USB3+
A
98 NC B98
N
C
C43 PCI_AD23 D43 PCI_AD2
6
C98 NC D98 NC
A
44 USB_2_3_OC# B44 USB_0_1_OC#
A
99 NC B99
N
C
C44 PCI_C
/
BE3# D44 PCI_AD2
8
C99 NC D99 NC
A
45 USB0- B45 USB1-
A
100 GND
(
FIXED
)
B100 GND
(
FIXED
)
C45 PCI_AD25 D45 PCI_AD30 C100 GND
(
FIXED
)
D100 GND
(
FIXED
)
A
46 USB0+ B46 USB1+
A
101 NC B101
N
C
C46 PCI_AD2
7
D46 PCI_IR
Q
C# C101 NC D101 NC
A
47
V
CC_RT
C
B47 EXCD1_PERST#
A
102 NC B102
N
C
C47 PCI_AD29 D47 PCI_IR
Q
D# C102 NC D102 NC
A
48 EXCD0_PERST# B48 EXCD1_CPPE#
A
103 NC B103
N
C
C48 PCI_AD31 D48 PCI_CLKRUN# C103 GND D103 GND
A
49 EXCD0_CPPE# B49 SYS_RESET#
A
10
4
V
CC_12
V
B104
V
CC_12
V
C49 PCI_IR
Q
A# D49
N
C
C10
4
V
CC_12
V
D10
4
V
CC_12
V
A
50 LPC_SERIR
Q
B50 CB_RESET#
A
105
V
CC_12
V
B105
V
CC_12
V
C50 PCI_IR
Q
B# D50 PCI_CL
K
C105
V
CC_12
V
D105
V
CC_12
V
A
51 GND
(
FIXED
)
B51 GND
(
FIXED
)
A
106
V
CC_12
V
B106
V
CC_12
V
C51 GND
(
FIXED
)
D51 GND
(
FIXED
)
C106
V
CC_12
V
D106
V
CC_12
V
A
52
PCIE_TX5
+
B52
PCIE_RX5
+
A
107
V
CC_12
V
B107
V
CC_12
V
C52 NC D52 NC C107
V
CC_12
V
D107
V
CC_12
V
A
53
PCIE_TX5
-
B53
PCIE_RX5
-
A
108
V
CC_12
V
B108
V
CC_12
V
C53 NC D53 NC C108
V
CC_12
V
D108
V
CC_12
V
A
54 GPI0 B54 GPO1
A
109
V
CC_12
V
B109
V
CC_12
V
C54 NC D54 NC C109
V
CC_12
V
D109
V
CC_12
V
A
55 PCIE_TX4+ B55
PCIE_RX4
+
A
110 GND
(
FIXED
)
B110 GND
(
FIXED
)
C55 NC D55 NC C110 GND
(
FIXED
)
D110 GND
(
FIXED
)
RowC RowDRow
A
RowB Row
A
RowB RowC RowD
www.dfi .comChapter 3 Hardware Installation
16
Chapter 3
COM Express Connectors Signal Description
Signal Pin# Pin Type Pwr Rail /Tolerance PU/PD Description
AC/HAD_RST# A30 O CMOS 3.3V Suspend/3.3V Reset output to CODEC, active low.
A
C
/
HDA_SYNC
A
29 O CMO
S
3.3V
/
3.3V Sam
p
le-s
y
nchronization si
g
nal to the CODEC
(
s
)
.
AC/HDA_BITCLK A32 I/O CMOS 3.3V/3.3V Serial data clock generated by the external CODEC(s).
AC/HDA_SDOUT A33 O CMOS 3.3V/3.3V Serial TDM data output to the CODEC.
AC/HDA_SDIN2 B28 I/O CMOS 3.3V Suspend/3.3V
AC/HDA_SDIN1 B29 I/O CMOS 3.3V Suspend/3.3V
AC/HDA_SDIN0 B30 I/O CMOS 3.3V Suspend/3.3V
Signal Pin# Pin Type Pwr Rail /Tolerance PU/PD Description
GBE0_MDI0+ A13 I/O Analog 3.3V max Suspend
GBE0_MDI0- A12 I/O Analog 3.3V max Suspend
GBE0_MDI1+ A10 I/O Analog 3.3V max Suspend
GBE0_MDI1- A9 I/O Analog 3.3V max Suspend
GBE0_MDI2+ A7 I/O Analog 3.3V max Suspend
GBE0_MDI2- A6 I/O Analog 3.3V max Suspend
GBE0_MDI3+
A
3I
/
O Analo
g
3.3V max Sus
p
end
GBE0_MDI3- A2 I/O Analog 3.3V max Suspend
GBE0_ACT# B2 OD CMOS 3.3V Suspend/3.3V Gigabit Ethernet Controller 0 activity indicator, active low.
GBE0_LINK# A8 OD CMOS 3.3V Suspend/3.3V Gigabit Ethernet Controller 0 link indicator, active low.
GBE0_LINK100# A4 OD CMOS 3.3V Suspend/3.3V Gigabit Ethernet Controller 0 100 Mbit / sec link indicator, active low.
GBE0_LINK1000# A5 OD CMOS 3.3V Suspend/3.3V Gigabit Ethernet Controller 0 1000 Mbit / sec link indicator, active low.
GBE0_CTREF A14 REF GND min 3.3V max
Reference voltage for Carrier Board Ethernet channel 0 magnetics center
tap. The reference voltage is determined by the requirements of the
Module PHY and may be as low as 0V and as high as 3.3V.
The reference voltage output shall be current limited on the Module. In
the case in which the reference
Pin Types
I Input to the Module
O Output from the Module
I/O Bi-directional input / output signal
OD Open drain output
A
C97
/
HDA Si
g
nals Descri
p
tion
s
PD 50K to GND Serial TDM data inputs from up to 3 CODECs.
Gi
g
abit Ethernet Si
g
nals Descri
p
tion
s
Gigabit Ethernet Controller 0: Media Dependent Interface Differential
Pairs 0,1,2,3. The MDI can operate in 1000, 100 and 10 Mbit / sec
modes. Some pairs are unused in some modes, per the following:
1000BASE-T 100BASE-TX 10BASE-T
MDI[0]+/- B1_DA+/- TX+/- TX+/-
MDI[1]+/- B1_DB+/- RX+/- RX+/-
MDI[2]+/- B1_DC+/-
MDI[3]+/- B1_DD+/-
www.dfi .comChapter 3 Hardware Installation
17
Chapter 3
Si
g
nal Pin# Pin T
yp
e Pwr Rail
/
Tolerance PU
/
PD Descri
p
tion
IDE_D0 D7
IDE_D1 C10
IDE_D2 C8
IDE_D3 C4
IDE_D4 D6
IDE_D5 D2
IDE_D6 C3
IDE_D7 C2 PD 10K to Gnd
IDE_D8 C6
IDE_D9 C7
IDE_D10 D3
IDE_D11 D4
IDE_D12 D5
IDE_D13 C9
IDE_D14 C12
IDE_D15 C5
IDE_A0 D13
IDE_A1 D14
IDE_A2 D15
IDE_IOW# D9 O CMOS 3.3V / 3.3V I/O write line to IDE device. Data latched on trailing (rising) edge.
IDE_IOR# C14 O CMOS 3.3V / 3.3V I/O read line to IDE device.
IDE_REQ D8 I CMOS 3.3V / 5V PD 5.6K to Gnd IDE Device DMA Request. It is asserted by the IDE device to request a data transfer.
IDE_ACK# D10 O CMOS 3.3V / 3.3V IDE Device DMA Acknowledge.
IDE_CS1# D16 O CMOS 3.3V / 3.3V IDE Device Chip Select for 1F0h to 1FFh range.
IDE_CS3# D17 O CMOS 3.3V / 3.3V IDE Device Chip Select for 3F0h to 3FFh range.
IDE_IORDY C13 I CMOS 3.3V / 5V PU 4.7K to 3.3V IDE device I/O ready input. Pulled low by the IDE device to extend the cycle.
IDE_RESET# D18 O CMOS 3.3V / 3.3V Reset output to IDE device, active low.
IDE_IRQ D12 I CMOS 3.3V / 5V PD 10K to Gnd Interrupt request from IDE device.
IDE_CBLID# D77 I CMOS 3.3V / 5V PD 10K to Gnd
Input from off-Module hardware indicating the type of IDE cable being
used. High indicates a 40-pin cable used for legacy IDE modes. Low
indicates that an 80-pin cable with interleaved grounds is used. Such a
cable is required for Ultra-DMA 66, 100 and 133 modes.
IDE Si
g
nals Descri
p
tion
s
I/O CMOS 3.3V / 5V Bidirectional data to / from IDE device.
O CMOS 3.3V / 3.3V Address lines to IDE device.
www.dfi .comChapter 3 Hardware Installation
18
Chapter 3
Signal Pin# Pin Type Pwr Rail /Tolerance PU/PD Description
SATA0_TX+ A16 O SATA AC coupled on Module
SATA0_TX- A17 O SATA AC coupled on Module
SATA0_RX+ A19 I SATA AC coupled on Module
SATA0_RX- A20 I SATA AC coupled on Module
SATA1_TX+ B16 O SATA AC coupled on Module
SATA1_TX- B17 O SATA AC coupled on Module
SATA1_RX+ B19 I SATA AC coupled on Module
SATA1_RX- B20 I SATA AC coupled on Module
SATA2_TX+ A22 O SATA AC coupled on Module
SATA2_TX- A23 O SATA AC coupled on Module
SATA2_RX+ A25 I SATA AC coupled on Module
SATA2_RX- A26 I SATA AC coupled on Module
SATA3_TX+ B22 O SATA AC coupled on Module
SATA3_TX- B23 O SATA AC coupled on Module
SATA3_RX+ B25 I SATA AC coupled on Module
SATA3_RX- B26 I SATA AC coupled on Module
ATA_ACT# A28 I/O CMOS 3.3V / 3.3V ATA (parallel and serial) or SAS activity indicator, active low.
Signal Pin# Pin Type Pwr Rail /Tolerance PU/PD Description
PCIE_TX0+ A68
PCIE_TX0- A69
PCIE_RX0+ B68
PCIE_RX0- B69
PCIE_TX1+ A64
PCIE_TX1- A65
PCIE_RX1+ B64
PCIE_RX1- B65
PCIE_TX2+ A61
PCIE_TX2- A62
PCIE_RX2+ B61
PCIE_RX2- B62
PCIE_TX3+ A58
PCIE_TX3- A59
PCIE_RX3+ B58
PCIE_RX3- B59
PCIE_TX4+ A55
PCIE_TX4- A56
PCIE_RX4+ B55
PCIE_RX4- B56
PCIE_TX5+ A52
PCIE_TX5- A53
PCIE_RX5+ B52
PCIE_RX5- B53
PCIE0_CK_REF+ A88
PCIE0_CK_REF- A89
Serial ATA or SAS Channel 1 receive differential pair.
Serial ATA or SAS Channel 2 transmit differential pair.
Serial ATA or SAS Channel 2 receive differential pair.
SATA Si
g
nals Descri
p
tion
s
Serial ATA or SAS Channel 0 transmit differential pair.
Serial ATA or SAS Channel 0 receive differential pair.
Serial ATA or SAS Channel 1 transmit differential pair.
Serial ATA or SAS Channel 3 transmit differential pair.
Serial ATA or SAS Channel 3 receive differential pair.
PCI Ex
p
ress Lanes Si
g
nals Descri
p
tion
s
O PCIE AC coupled on Module PCI Express Differential Transmit Pairs 0
I PCIE AC coupled off Module PCI Express Differential Receive Pairs 1
O PCIE AC coupled on Module PCI Express Differential Transmit Pairs 2
I PCIE AC coupled off Module PCI Express Differential Receive Pairs 0
O PCIE AC coupled on Module PCI Express Differential Transmit Pairs 1
I PCIE AC coupled off Module PCI Express Differential Receive Pairs 3
O PCIE AC coupled on Module PCI Express Differential Transmit Pairs 4
I PCIE AC coupled off Module PCI Express Differential Receive Pairs 2
O PCIE AC coupled on Module PCI Express Differential Transmit Pairs 3
I PCIE AC coupled off Module PCI Express Differential Receive Pairs 5
O PCIE PCIE Reference clock output for all PCI Express and PCI Express Graphics lanes.
I PCIE AC coupled off Module PCI Express Differential Receive Pairs 4
O PCIE AC coupled on Module PCI Express Differential Transmit Pairs 5
www.dfi .comChapter 3 Hardware Installation
19
Chapter 3
Signal Pin# Pin Type Pwr Rail /Tolerance PU/PD Description
PEG_TX0+ D52
PEG_TX0- D53
PEG_RX0+ C52
PEG_RX0- C53
PEG_TX1+ D55
PEG_TX1- D56
PEG_RX1+ C55
PEG_RX1- C56
PEG_TX2+ D58
PEG_TX2- D59
PEG_RX2+ C58
PEG_RX2- C59
PEG_TX3+ D61
PEG_TX3- D62
PEG_RX3+ C61
PEG_RX3- C62
PEG_TX4+ D65
PEG_TX4- D66
PEG_RX4+ C65
PEG_RX4- C66
PEG_TX5+ D68
PEG_TX5- D69
PEG_RX5+ C68
PEG_RX5- C69
PEG_TX6+ D71
PEG_TX6- D72
PEG_RX6+ C71
PEG_RX6- C72
PEG_TX7+ D74
PEG_TX7- D75
PEG_RX7+ C74
PEG_RX7- C75
PEG_TX8+ D78
PEG_TX8- D79
PEG_RX8+ C78
PEG_RX8- C79
PEG_TX9+ D81
PEG_TX9- D82
PEG_RX9+ C81
PEG_RX9- C82
PEG_TX10+ D85
PEG_TX10- D86
PEG_RX10+ C85
PEG_RX10- C86
PEG_TX11+ D88
PEG_TX11- D89
PEG_RX11+ C88
PEG_RX11- C89
PEG_TX12+ D91
PEG_TX12- D92
PEG_RX12+ C91
PEG_RX12- C92
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 1
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 1
PEG Si
g
nals Descri
p
tion
s
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 0
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 0
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 3
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 3
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 2
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 2
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 5
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 5
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 4
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 4
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 7
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 7
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 6
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 6
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 9
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 9
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 8
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 8
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 11
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 11
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 10
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 10
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 12
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 12
www.dfi .comChapter 3 Hardware Installation
20
Chapter 3
Signal Pin# Pin Type Pwr Rail /Tolerance PU/PD Description
PEG Si
g
nals Descri
p
tion
s
PEG_TX13+ D94
PEG_TX13- D95
PEG_RX13+ C94
PEG_RX13- C95
PEG_TX14+ D98
PEG_TX14- D99
PEG_RX14+ C98
PEG_RX14- C99
PEG_TX15+ D101
PEG_TX15- D102
PEG_RX15+ C101
PEG_RX15- C102
PEG_LANE_RV# D54 I CMOS 3.3V / 3.3V None
PCI Express Graphics lane reversal input strap. Pull low on the Carrier
board to reverse lane order.
PEG_ENABLE# D97 I CMOS 3.3V /3.3V None
Strap to enable PCI Express x16 external graphics interface. Pull low to
enable the x16 PEG interface.
Signal Pin# Pin Type Pwr Rail /Tolerance PU/PD Description
EXCD0_CPPE# A49
EXCD1_CPPE# B48
EXCD0_PERST# A48
EXCD1_PERST# B47
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 13
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 13
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 15
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 15
O PCIE AC coupled on Module None PCI Express Graphics transmit differential pairs 14
I PCIE AC coupled off Module None PCI Express Graphics receive differential pairs 14
Ex
p
ressCard Si
g
nals Descri
p
tion
s
I CMOS 3.3V /3.3V PU 10K to 3.3V PCI ExpressCard: PCI Express capable card request, active low, one per card
O CMOS 3.3V /3.3V PU 2.2K to 3.3V PCI ExpressCard: reset, active low, one per card
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DFI OT905-B Owner's manual

DFI
Brand
DFI
Model
OT905-B
Category
Motherboards
Type
Owner's manual
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